package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 条件查询
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 更新数量查询
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) value" +
            "(#{name} , #{image} , #{userId} , #{dishId} , #{setmealId} , #{dishFlavor} , #{number} , #{amount} , #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void deleteBycurrentId(Long currentId);

    /**
     * 根据dishId查询ShoppingCart
     * @param dishId
     * @return
     */
    @Select("select * from shopping_cart where dish_id = #{dishId}")
    ShoppingCart getByDishId(Long dishId);

    /**
     * 根据setmealId查询ShoppingCart
     * @param setmealId
     * @return
     */
    @Select("select * from shopping_cart where setmeal_id = #{setmealId}")
    ShoppingCart getBySetmealId(Long setmealId);

    /**
     * 根据dishId删除ShoppingCart
     * @param dishId
     */
    @Delete("delete from shopping_cart where dish_id = #{dishId}")
    void deleteBydishId(Long dishId);

    /**
     * 根据setmealId删除ShoppingCart
     * @param setmealId
     */
    @Delete("delete from shopping_cart where setmeal_id = #{setmealId}")
    void deleteBysetmealId(Long setmealId);
}
